21131896 is an even 8-digits composite number following 21131895
and preceding 21131897 . In scientific notation, it is written as 2.1131896 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors.
There are 10565944 positive integers (up to 21131896) that are relatively prime to 21131896.
21131896 has 8 divisors, whose sum is 39622320
The reverse of 21131896 is 69813112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million one hundred thirty-one thousand eight hundred ninety-six
Scientific notation
2.1131896 × 10^7
Engineering notation
2.1131896 × 10^6
Prime Factorization
2 × 2 × 2 × 2641487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5282974
Product of the distinct prime numbers
The prime factorization of 21131896 is 2 × 2 × 2 × 2641487.
Since it has a total of 4 prime factors.
6 , 8 , 40 , 21 , 377 , 198 , 3418 , 7659 , 92306 , 81569 , 207162 , 447838 , 2757857 , 3979318 , 37367361 , 5838003 , 201063184 , 381252641 , 7705656643 , 6014659269
n×2
42263792
n×3
63395688
n×4
84527584
n×5
105659480
n÷2
10565948
n÷3
7043965.3333333
n÷3
5282974
n÷5
4226379.2
n2
446557028554816
n3
9.4365966854894E+21
n4
1.9941317975171E+29
n5
4.2139785755424E+36
2 √n
4596.9442024023
3 √n
276.468817436
4 √n
67.800768449939
5 √n
29.17344340908
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131895
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131896 can be divided by 8 positive divisors.
The sum of these divisors (counting 21131896) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100111001001111000
3
Ternary
1110202121111211
4
Quaternary
1100213021320
5
Quinary
20402210041
6
Senary
2032532504
8
Octal
120471170
10
Decimal
21131896
12
Duodecimal
70b1134
16
Hexadecimal
1427278
20
Vigesimal
6c19eg
36
Base36
ckxh4
md5
c4ba84a842c88fd44ae9a2f30d9ad534
sha1
313f759b2a16b509e42aa98baa9fafe7cdb594ed
sha256
e86049d9bbae26810ade8372c4f0192532ea65cbdc4d726ff1a20ebbebe5541d
sha512
ceac560ddd3513ed892b182dcdbd31f937a398dba1b39d35d293c39ad48e9810e8131dec0eb6c39fc32e8e72e14a48826a497fee6a14192fc344101089fa545d
ripemd-160
f6699341984c830110bcdef202e710d10bcd7d0f
Diameter
42263792
Circumference
132775618.46005
Area
1.4029002803167E+15
Volume
3.9527923762698E+22
Surface area
5.6116011212668E+15
Circumference
132775618.46005
Perimeter
84527584
Area
446557028554816
Diagonal
29885013.921858
Surface area
2679342171328896
Volume
9.4365966854894E+21
Space diagonal
36601517.532262
Perimeter
63395688
Area
1.9336486548348E+14
Altitude
18300758.766131
Surface area
1.9336486548348E+14
Volume
1.1121135846053E+21
Height
9961671.3072859